<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>框模型</title>
	</head>
	<body>
		<h1>外边距合并</h1>
		<div id="parent">
			<div id="child"></div>
		</div>
		<hr> <div id="sheet1" class="mui-popover mui-popover-bottom mui-popover-action ">
			<!-- 可选择菜单 -->
			<ul class="mui-table-view">
			  <li class="mui-table-view-cell">
				<a href="#">1菜单1</a>
			  </li>
			  <li class="mui-table-view-cell">
				<a href="#">2菜单2</a>
			  </li>
			</ul>
			<!-- 取消菜单 -->
			<ul class="mui-table-view">
			  <li class="mui-table-view-cell">
				<a href="#sheet1"><b>3取消</b></a>
			  </li>
			</ul>
		</div>
	</body>
</html>
<!--测元素存不存在外边距
ul  li 
from  input
-->0
